Red ironbark (Eucalyptus sideroxylon)

Red ironbark

Also known as: Mugga

Red ironbark is a robust, evergreen tree known for its distinctive dark, deeply furrowed ironbark and striking flowers ranging from pink to red. Its long, slender leaves carry a silvery hue, contrasting its grey-black bark, and provide important oils. Thriving in Australian woodlands, red ironbark adapts well to dry conditions, with its roots playing a crucial role in water retrieval.

Scientific classification

Species

Red ironbark (Eucalyptus sideroxylon)

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Toxic to Pets

Toxicity

Perennial

Lifespan

Tree

Plant Type

20 - 38 ℃

Ideal Temperature

Images of Red ironbark

Distribution of Red ironbark

Distribution Map

Red ironbark is native to continents with a Mediterranean climate. Its cultivation has spread to various temperate and subtropical regions around the world, thriving in particular climates and soil conditions. While red ironbark has adapted well to these areas, it is sometimes thought to be potentially competitive with local flora in certain regions where it may have an impact on native ecosystems. Nevertheless, the widespread cultivation of red ironbark continues due to its resilience and utility.

Native

Cultivated

Invasive

Introduced

No species reported

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Quickly Identify Red ironbark

Distinctive blue-green foliage transitioning to bronze in winter.

Peeling reddish-gray bark revealing a copper-brown layer underneath.

Fluffy pink stamens clustered pendulously, blooming in fall and late spring.

Variable structure ranging from weeping to upright forms.

Height range of 20 to 60 feet (6 to 18 meters), fast-growing evergreen.

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Care Guide for Red ironbark

Every 1-2 weeks

Water

Full sun

Sunlight

20 - 38 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Red ironbark thrives in arid conditions, showing exceptional drought tolerance and requiring watering only once every 1-2 weeks. As an evergreen, it retains water year-round, making it ideal for landscaping in areas with limited rainfall.

Fertilize: Red ironbark requires minimal feeding when planted in the ground, but potted varieties may benefit from light feeding. Use a slow-release or water-soluble fertilizer, such as 10-30-10 or 10-10-10, applied in spring.

Pruning: Red ironbark features durable wood and appealing bark. Prune in early spring to remove dead or damaged branches, enhance air circulation, and shape young trees for a robust framework. Regular pruning promotes new growth and helps manage height and spread, improving the plant's overall appearance and health.

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